title: Imported spotted fever rickettsioses in United States travelers returning from Africa: a summary of cases confirmed by laboratory testing at the Centers for Disease Control and Prevention, 1999-2002.
mesh_terms: D000349:Africa; D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D012281:Rickettsia / Q000254:growth & development*; D012282:Rickettsia Infections / Q000453:epidemiology*; D017282:Tick-Borne Diseases / Q000453:epidemiology*; D014195:Travel; D014481:United States / Q000453:epidemiology